#ifndef GLOBAL_H
#define GLOBAL_H

#include <string.h>
#include <string>


extern int grade;
void getQA(int no,std::string *question,double *answer,double *WA1,double *WA2,double *WA3);
//no为年级，question为返回的问题字符串，answer为返回的答案,WA1-3为三个错误答案
//for test:






#endif // GLOBAL_H
